Oxidation In Food Flashcards
1
Q
Oxidation occurs when there is an ____ in the O:H ration of the compound
A
Increase
2
Q
Reduction occurs when there is a ______ in the O:H ratio of the compound
A
Decrease
3
Q
What are 3 compounds used to oxidise
A
Fehlings solution
Tollens reagent
Acidified potassium dichromate
4
Q
What colours take part in the reaction of fehlings solution
A
Blue -> orange
5
Q
What reactions take part in the tohlings reagent reaction
A
Clear -> silver mirror
6
Q
What colours take part in the acidified potassium dichromate reaction
A
Orange -> dark green
7
Q
How do you turn an oil into a fat
A
Reducing the No of C=C in the oil.
Hydrogenation - adding H atoms
8
Q
What is an antioxidants
A
Prevents unwanted oxidation
